3997350 has 144 divisors (see below), whose sum is σ = 12999168. Its totient is φ = 894240.

The previous prime is 3997349. The next prime is 3997361. The reversal of 3997350 is 537993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 85027 + ... + 85073.

It is an arithmetic number, because the mean of its divisors is an integer number (90272).

Almost surely, 2^3997350 is an apocalyptic number.

3997350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3997350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6499584).

3997350 is an abundant number, since it is smaller than the sum of its proper divisors (9001818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3997350 is a wasteful number, since it uses less digits than its factorization.

3997350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 36.

The square root of 3997350 is about 1999.3373902371. The cubic root of 3997350 is about 158.7050423461.

The spelling of 3997350 in words is "three million, nine hundred ninety-seven thousand, three hundred fifty".